550508020 has 24 divisors (see below), whose sum is σ = 1158830568. Its totient is φ = 219676800.

The previous prime is 550508003. The next prime is 550508051. The reversal of 550508020 is 20805055.

It can be written as a sum of positive squares in 4 ways, for example, as 72386064 + 478121956 = 8508^2 + 21866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24271 + ... + 41110.

It is an arithmetic number, because the mean of its divisors is an integer number (48284607).

Almost surely, 2^550508020 is an apocalyptic number.

It is an amenable number.

550508020 is an abundant number, since it is smaller than the sum of its proper divisors (608322548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550508020 is a wasteful number, since it uses less digits than its factorization.

550508020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65811 (or 65809 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 550508020 is about 23462.9073219838. The cubic root of 550508020 is about 819.5734545423.

The spelling of 550508020 in words is "five hundred fifty million, five hundred eight thousand, twenty".